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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Cloning, structure, and expression of the Escherichia coli K-12 hisC gene.

We used an expression vector plasmid containing the Escherichia coli K-12 histidine operon regulatory region to subclone the E. coli hisC gene. Analysis of plasmid-coded proteins showed that hisC was expressed in minicells. A protein with an apparent molecular weight of 38,500 was identified as the primary product of the hisC gene. Expression was under control of the hisGp promoter and resulted in very efficient synthesis (over 100-fold above the wild-type levels) of imidazolylacetolphosphate:L-glutamate aminotransferase, the hisC gene product. The complete nucleotide sequence of the hisC gene has been determined. The gene is 1,071 nucleotides long and codes for a protein of 356 amino acids with only one histidine residue.[1]


  1. Cloning, structure, and expression of the Escherichia coli K-12 hisC gene. Grisolia, V., Carlomagno, M.S., Nappo, A.G., Bruni, C.B. J. Bacteriol. (1985) [Pubmed]
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